Re: [OM] Sorry to post an on topic OM 4 question, but . . .

Subject: Re: [OM] Sorry to post an on topic OM 4 question, but . . .
From: John Hermanson <omtech1@xxxxxxxx>
Date: Thu, 12 Oct 2017 06:18:42 -0400
Something has happened with the body. There is no mode of shutter firing that would leave the mirror in the "up" position, unless camera was fired with dead batteries. Then it would/should reset when good batteries are installed. Make sure bottom cover screws are reasonably tight (not lug-nut-never-to-come-out-again-tight) and try again.


John Hermanson
Camtech Photo Services
21 South Lane | Huntington, NY 11743-4717
Olympus OM Service since 1977
www.zuiko.com  | omtech1@xxxxxxxx

On 10/11/2017 9:56 AM, Bill Barber via olympus wrote:
My OM 4 (new circuit) has been sitting a while with no batteries.
Yesterday, I was trying to search out the bodies that had 2 screens
into     which I had John scribe grid lines. The mirror in the OM4
was in the up position (apparently I must have released the shutter
without batteries at some time in the past.) No problem. Upon
insertion of new batteries, I heard a few little electrical sounds,
as is not uncommon and nothing happened. Can't cock the shutter,
can't release the shutter, can't do a battery check and mirror
remains up. Question 1- What the heck is going on? No batteries, why
would anything occur that would screw up the circuit? Thought maybe
it was bumpers becoming stick so gently nudged the mirror down a
little and it moved freely (not stuck.) I'm I missing something
obvious? Question 2-assuming the body is toast or semi-toast, is
there a way for me to get the mirror down, see the focusing screen
(or remove it) without making things worse?  My feeling is that there
is some simple that just hasn't presented itself to me, yet. Oh, for
inquiring minds, I am still doing a good bit of film capture.  Bill
"Scratching His Head" Barber

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